[niepce] Allow clicking left or right of the center of the start to change the rating + or -. This allow 0 ra

[Hubert FiguiÃre <hub src gnome org>]

commit 9305723d34e0ddcd126ed16cd094f3d353194269
Author: Hub Figuiere <hub figuiere net>
Date:   Sat Oct 29 10:15:20 2011 -0700

    Allow clicking left or right of the center of the start to change
    the rating + or -. This allow 0 rating.

 src/fwk/toolkit/widgets/ratinglabel.cpp |   21 +++++----------------
 src/fwk/toolkit/widgets/ratinglabel.hpp |    2 --
 2 files changed, 5 insertions(+), 18 deletions(-)
---
diff --git a/src/fwk/toolkit/widgets/ratinglabel.cpp b/src/fwk/toolkit/widgets/ratinglabel.cpp
index 5662bd5..c4489c7 100644
--- a/src/fwk/toolkit/widgets/ratinglabel.cpp
+++ b/src/fwk/toolkit/widgets/ratinglabel.cpp
@@ -18,6 +18,8 @@
  */
 
 
+#include <cmath>
+
 #include "fwk/base/debug.hpp"
 #include "ratinglabel.hpp"
 
@@ -87,8 +89,8 @@ void RatingLabel::get_geometry(double & w, double & h)
 
 int RatingLabel::rating_value_from_hit_x(double x)
 {
-  int width = get_star()->get_width();
-  return (x / width) + 1;
+  double width = get_star()->get_width();
+  return round(x / width);
 }
 
 RatingLabel::RatingLabel(int rating)
@@ -147,19 +149,6 @@ bool RatingLabel::on_button_press_event (GdkEventButton* e)
 }
 
 
-bool RatingLabel::on_button_release_event (GdkEventButton* e)
-{
-  return true;
-}
-
-
-bool RatingLabel::on_motion_notify_event (GdkEventMotion* e)
-{
-  return true;
-}
-
-
-
 void RatingLabel::on_size_request(Gtk::Requisition* requisition)
 {
   *requisition = Gtk::Requisition();
@@ -169,7 +158,7 @@ void RatingLabel::on_size_request(Gtk::Requisition* requisition)
   //  DBG_OUT("size request is %d %d", requisition->width, requisition->height);
 }
 
-bool RatingLabel::on_expose_event(GdkEventExpose *evt)
+bool RatingLabel::on_expose_event(GdkEventExpose * /*evt*/)
 {
   if (is_drawable()) {
     const Gtk::Allocation& allocation = get_allocation();
diff --git a/src/fwk/toolkit/widgets/ratinglabel.hpp b/src/fwk/toolkit/widgets/ratinglabel.hpp
index 2b1b007..0f7e628 100644
--- a/src/fwk/toolkit/widgets/ratinglabel.hpp
+++ b/src/fwk/toolkit/widgets/ratinglabel.hpp
@@ -55,8 +55,6 @@ public:
 protected:
   virtual void  on_realize();
   virtual bool 	on_button_press_event (GdkEventButton* event);
-  virtual bool 	on_button_release_event (GdkEventButton* event);
-  virtual bool 	on_motion_notify_event (GdkEventMotion* event);
 
   virtual void 	on_size_request (Gtk::Requisition* requisition);
   virtual bool  on_expose_event (GdkEventExpose *event);